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Old 06-21-2006, 01:53 AM   #1 (permalink)
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I have a juwel RIO 180 tank

i have the following tubes in the tank

1 x Hagen Aqua-Glow 18,000k 30w
1 x Hagen Power-Glow 18,000K 30W
1 x Hagen Sun-Glow 4,200K 30w

I like the colour of light given by the three bulbs, but is this adequate for good plant growth??

do i need to attemp squeezing a 4th bulb into the already cramped juwel hood??

should i change one of the 18,000k to something more mid-spectrum such as a life-glow at 6,700k ??
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Old 06-22-2006, 02:31 AM   #2 (permalink)
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You're just under 2wpg. My recommendation would be to stay at this level for the moment until you get more experience balancing the rest of the nutrients for the plants (CO2, macros, micros). Once you're comfortable with that, an extra 30w wouldn't hurt.

But I'd change out the two 18,000K tubes for tubes below 10,000K. Lighting above 10,000K is generally used for marine/reef setups.
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Old 06-22-2006, 03:02 AM   #3 (permalink)
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Quote:
Originally Posted by Laith
You're just under 2wpg. My recommendation would be to stay at this level for the moment until you get more experience balancing the rest of the nutrients for the plants (CO2, macros, micros). Once you're comfortable with that, an extra 30w wouldn't hurt.

But I'd change out the two 18,000K tubes for tubes below 10,000K. Lighting above 10,000K is generally used for marine/reef setups.
Thankyou, the 18,000k were left over from my reef setup, but hagen do sell the aqua-glow for plant growth and the power-glow for plant growth/marine as there is more blue in the power glow

I think i will change the power glow for something more mid-range and see how it goes, as i do like the way the colours of the fish show up under them

But until 2 days ago, i was only uning 1 standard 30w philips tube, so i guess what i have is going to be better for the time being..
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